OpenTechnical

OT-2026-000069207

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000069207) never changes.

Identity and time

Publication numberOT-2026-000069207 · never reused
Internal UUID01a0ae90-6dcf-73a6-a9a6-875d020bb9db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069207
StatusPUBLIC

Content hashes

Canonical text0ce2ff102e86cb989cbc17700359920903c7ee80da6dd7c6914b19083d948592
Markdown14510e084655ef2fbedc050b62e6ff18cd2c50e6ce31ae341966ccc7f9e50c26
PDF
Publication pagebbdef8662d7ec4af1e89d601d6222fdedd5ad6a13899925405045e5c57b14c0a
Manifestdf8f0799458dc2025cd3fd2570e1173d12a073fe05d7c2fac8fa133a16a30ebe

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturez8kJS3LkzNkP9hPYwiSM6h8Oi13p4wA8KfUsdYlKYf3rkcopSrHubLqdTHqZfpObGIc7uRrbmdHhj7PjLHHJAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:12.948643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069207
observed bbdef8662d7ec4af1e89d601d6222fde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:12.930132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069207/manifest.json
observed df8f0799458dc2025cd3fd2570e1173d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:12.913173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069207/publication.md
observed 14510e084655ef2fbedc050b62e6ff18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:12.893819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069207/publication.txt
observed 0ce2ff102e86cb989cbc177003599209...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.